CVE-2023-21102 Affecting kernel-rt-modules-extra package, versions <0:5.14.0-284.30.1.rt14.315.el9_2


Severity

Recommended
0.0
high
0
10

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-ROCKY9-KERNELRTMODULESEXTRA-5906257
  • published20 Sept 2023
  • disclosed15 May 2023

Introduced: 15 May 2023

CVE-2023-21102  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:9 kernel-rt-modules-extra to version 0:5.14.0-284.30.1.rt14.315.el9_2 or higher.
This issue was patched in RLSA-2023:5091.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-modules-extra package and not the kernel-rt-modules-extra package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:9 relevant fixed versions and status.

In __efi_rt_asm_wrapper of efi-rt-wrapper.S, there is a possible bypass of shadow stack protection due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-260821414References: Upstream kernel

CVSS Scores

version 3.1